Feeling cramped or confined (physically); also used figuratively for a narrow, begrudging attitude.
この部屋は家具が多くて狭苦しい。
This room feels cramped because there is too much furniture.
そんな狭苦しい考え方では、新しいアイデアは生まれない。
With such a narrow-minded way of thinking, new ideas won't be born.
朝の満員電車は狭苦しくて疲れる。
The crowded commuter train in the morning is stifling and tiring.